Photograph by Tony Rinaldo/Courtesy of the Graduate School of Arts and Sciences

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The Graduate School of Arts and Sciences’ Centennial Medal, first awarded in 1989 on the occasion of the school’s hundredth anniversary, honors alumni who have made contributions to society that emerged from their graduate studies. It is the highest honor GSAS bestows, and awardees include some of Harvard’s most accomplished alumni. The 2017 recipients, announced at a ceremony on May 24, are: Russell A. Mittermeier, Ph.D. ’77, a primatologist, herpetologist, and conservation advocate; Sarah P. Morris, Ph.D. ’81, a classicist and archaeologist; Thomas F. Pettigrew, Ph.D. ’56, an expert on racism and intergroup relations; and Richard Sennett, Ph.D. ’69, a sociologist who writes about cities, labor, and culture. For more about the medalists, see harvardmag.com/centennial-17.[5]